National Stock Number
5110-00-199-0456
National Stock Number (NSN) 5110-00-199-0456, or NIIN 001990456, (reamer,hand) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 05134. [A CUTTING TOOL WITH A FLUTED BODY. WHEN WITHOUT HANDLE, IT HAS A STRAIGHT ROUND SHANK WITH SQUARED END OR A BIT STOCK SHANK. IT MAY HAVE A T-HANDLE, A RATCHET HANDLE OR A ROUND KNURLED HANDLE. IT IS USED FOR FINISHING TO SIZE, OR ENLARGING, A PREVIOUSLY FORMED HOLE. EXCLUDES:HELICAL FLUTED TAPER PIN TYPE REAMER ITEMS HAVING A STRAIGHT ROUND SHANK WITH SQUARED END AND ITEMS WITH STRAIGHT SHANKS COVERED UNDER REAMER, MACHINE AND COUNTERSINK.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5110001990456 does not contain precious metals.
This NSN is associated to Schedule B 8204110060: hand-operated spanners and wrenches, nonadjustable, and parts, base metal, other. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.